240 days of daily practice · Builds on Level 1 automaticity · Answers 0–100
Continues from Level 1. Sequential 0+3=3 up to 97+3=100. Answers build across 6 weekly bands.
Mirror of Level 2A. 3−3=0 up to 103−3=100. Completes the add/subtract 3 pair.
Builds on +3 fluency. 0+4=4 up to 96+4=100. Each new operation feels smaller than the last.
Mirror of Level 2C. 4−4=0 up to 103−4=99. Completes the Level 2 foundation.